Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 74811778 found under Filter Element Fluid by Kalmar Limited. The National Stock Number assigned to this part is 2940001388235, and the Federal Supply Class is 2940 Engine Air And Oil Filters Strainers And Cleaners Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 74811778.